Biology;
Laboratory,;
College;
of;
Chemistry;
and;
Environmental;
Science,;
Hebei;
University,;
Baoding;
071002,;
China;
Laboratory;
of;
Biochip;
Research,;
Shenzhen;
Research;
Institute;
of;
City;
University;
of;
Hong;
Kong,;
Shenzhen;
518057,;
China;
of;
Biology;
and;
Chemistry,;
City;
University;
ofHong;
Kong,;
Hong;
Kong,;
China;
金纳米粒子; 细胞增殖; 成骨分化; 矿化; 体外; 核心结合因子α1; 逆转录聚合酶链反应; 骨形态发生蛋白;